Comment 3 for bug 1463203

This is what Behat 3.0 offers. So lots of little performance things cleaning up the infrastructure.

   Brand new highly extendable and clear architecture
    Support for multiple suites per profile
    Support for multiple contexts per suite
    Support for multiple feature paths per suite
    Support for filtered suites
    Support for unique context constructor parameters
    Hooks are first class citizens and thus have their own error and output buffering
    Turnip syntax in definitions
    Reworked formatters with improved error and output buffering
    Rerun does not require precache run
    New gherkin role filter
    Improved error handling with 3 levels of error reporting (-v, -vv, -vvv)
    Dropped subcontexts
    Dropped chained steps
    Dropped closured definitions